Eight specialized agents score every MLB player prop before first pitch — pitcher matchups, park factors, platoon splits, weather, and live market pricing. Free confidence scores, updated daily.
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The Engine
The highest-weighted signal in MLB prop analysis. The starting pitcher on the mound is the single largest driver of batter performance in any given game. PropEdge evaluates the starting pitcher's quality relative to the opposing lineup using a composite signal: strikeout rate, walk rate, home run susceptibility, and recent ERA trajectory are combined with lineup-specific handedness splits. A dominant ace facing a lineup heavy on right-handed bats who struggles against left-handed pitching creates a fundamentally different prop environment than a back-of-rotation arm with elevated contact allowed. This agent also tracks mid-week starters, bulk-innings pitchers, and opener-plus-reliever configurations that affect expected pitch counts and lineup exposure.
In baseball, an injury to a lineup anchor reshapes the entire batting order. PropEdge checks the injured list daily and models cascade effects: when a cleanup hitter is scratched, the players hitting third and fifth see changes in pitch selection and run-scoring opportunity. A middle-of-the-order bat forced to the leadoff spot loses RBI volume but gains plate appearances. This agent also detects late lineup changes posted in the hour before first pitch, flagging when an expected starter is held out for a day game after night game.
No factor in baseball is more consistently mispriced by recreational bettors than ballpark. Coors Field elevates every offensive prop in the lineup. Petco Park and Oracle Park suppress them. PropEdge applies park-specific factors for runs, home runs, hits, and strikeouts based on multi-year park data normalized to league average. It differentiates between left-field friendly parks versus right-field friendly ones, which directly impacts prop projections for pull hitters on each side. Day games at parks with poor sight lines and unpredictable shadows at certain hours are flagged as confidence reducers.
The NoVig agent strips the sportsbook margin from every prop line to calculate the true implied probability on each side. Cross-book disagreement is a primary edge indicator in MLB: when DraftKings and FanDuel price a strikeout total two outs apart, that disagreement reveals uncertainty in the market that PropEdge can exploit. Juice direction tells a parallel story — when one side is receiving heavy action and the line has not moved, it often signals absorbing public money rather than sharp positioning. Both signals are weighted into the final score.
Left-right handedness matchups are among the most statistically robust edges in baseball. A right-handed hitter facing a left-handed starter has a measurable advantage in batting average, on-base percentage, and slugging compared to same-hand matchups — and the same dynamic holds in reverse. PropEdge evaluates the confirmed starting pitcher's throwing arm against each batter's handedness for every prop in the slate, weighting this signal against sample size minimums. Switch hitters are evaluated on the more favorable side of the platoon split given confirmed lineup position.
Playing time in baseball means batting order position and expected at-bat volume. A leadoff hitter gets more plate appearances per game than an eighth-place bat. This agent tracks batting order stability, recent promotion or demotion signals, and rest days for platoon players. Reduced plate appearance volume compounds every underlying prop projection — a lower usage signal dampens confidence across hits, home runs, and RBI props simultaneously.
A batter's recent performance against the line carries meaningful signal, particularly for strikeout props on pitchers. PropEdge calculates a recency-weighted hit rate over the last 10 games, detects hot and cold streaks relative to seasonal baseline, and measures consistency. Pitcher strikeout trends over the last three starts receive additional weight because pitcher form shifts quickly with mechanical adjustments or fatigue accumulation deep into a season.
Wind speed and direction, temperature, and humidity each affect ball flight in outdoor stadiums. Wind blowing out at 10+ mph at Wrigley lifts home run probability across every lineup slot. Cold April nights suppress offensive output on fly-ball hitters. PropEdge ingests pre-game weather forecasts from stadium-specific weather stations and applies park orientation adjustments based on each ballpark's field dimensions and prevailing wind patterns. Domed stadiums receive a neutral weather flag automatically.
All eight agents produce individual confidence scores combined via a calibrated weighted average. Agents without a meaningful signal for a given prop are skipped entirely — a neutral reading never dilutes a strong directional signal. A systematic direction bias correction accounts for long-run UNDER lean in MLB prop markets. The final score runs 0 to 100, where above 60 represents a high-confidence pick and the direction printed on the card reflects the agent majority recommendation.
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